CVE-2019-20020 Memory corruption in n/a
A stack-based buffer over-read in matio allows attackers to cause denial of service or disclose sensitive information via crafted MAT files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-20020?
CVE-2019-20020 is a medium-severity memory corruption vulnerability in n/a, published on 27 Dec 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A stack-based buffer over-read was discovered in ReadNextStructField in mat5.c in matio 1.5.17.
Weakness: CWE-125
Which versions are affected by CVE-2019-20020?
It affects 1 product.
Products include Matio Project Matio.
How do I fix CVE-2019-20020?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-20020 being exploited?
There is no known exploitation of CVE-2019-20020 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-20020, GHSA-2qvm-q4v4-mf7v, UBUNTU-CVE-2019-20020.